Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Petr A. Vityaz"'
Autor:
Vladimir T. Senyut, Petr A. Vityaz, Viktor I. Zhornik, Igor V. Valkovich, Valentin P. Afanasyev, Igor E. Grigoriev
Publikováno v:
Механика машин, механизмов и материалов, Iss 2(67), Pp 69-78 (2024)
The paper presents the results of resistance tests of tool composite materials containing nanostructured impact diamonds, in comparison with composites based on synthetic superhard materials, diamond and cubic boron nitride (cBN), and ВК-8 (VK-8) (
Externí odkaz:
https://doaj.org/article/feae29716c9f46a7b53e68b184b53f1c
Publikováno v:
Механика машин, механизмов и материалов, Iss 4(65), Pp 76-84 (2023)
The paper presents the results of thermodynamic analysis showing that the use of nanodiamonds with a thin graphite-like coating formed by surface graphitization of nanodiamonds makes it possible to increase the thermodynamic stimulus for the formatio
Externí odkaz:
https://doaj.org/article/e4c25891c6b14c97ba97459dc19aa5c1
Publikováno v:
Механика машин, механизмов и материалов, Iss 3(64), Pp 60-65 (2023)
The influence of the size of carbon particles on the parameters of the graphite–diamond phase transformation is considered. It is shown that the surface energy of carbon nanoparticles of various shapes (spherical, columnar) makes a significant cont
Externí odkaz:
https://doaj.org/article/910e5e9d2cef4511aa8dbabe6e0099f3
Autor:
Vladimir T. Senyut, Petr A. Vityaz, Viktor I. Zhornik, Igor V. Valkovich, Valentin P. Afanasyev
Publikováno v:
Механика машин, механизмов и материалов, Iss 4(57), Pp 63-70 (2021)
The article presents the results of comparative tests on the wear resistance of composite materials (CM) sintered at high pressures and temperatures based on impact diamond (diamond-lonsdaleite abrasive — DLA) when processing silicon carbide (SiC).
Externí odkaz:
https://doaj.org/article/b42f153ad1264cca858641c068ea0ca0
Autor:
Petr A. Vityaz, Maksim V. Sotnikov, Aleksandr G. Sidorenko, Vladimir I. Moiseenko, Sergey A. Shishko
Publikováno v:
Механика машин, механизмов и материалов, Iss 3(56), Pp 42-51 (2021)
The analysis of the used steels for nitrided parts is carried out. On the basis of a new methodology for increasing the strength of structural steels and parts, new scientific approaches and practical solutions are proposed and considered for the cre
Externí odkaz:
https://doaj.org/article/a155f2d4ed0e42a390f3b0f0b93f5d62
Autor:
Nikolai V. Gaponenko, Nikolai I. Staskov, Larisa V. Sudnik, Petr A. Vityaz, Alexei R. Luchanok, Yuliana D. Karnilava, Ekaterina I. Lashkovskaya, Margarita V. Stepikhova, Artem N. Yablonskiy, Vadim D. Zhivulko, Alexander V. Mudryi, Igor L. Martynov, Alexander A. Chistyakov, Nikolai I. Kargin, Vladimir A. Labunov, Yuriy V. Radyush, Eugene B. Chubenko, Victor Yu. Timoshenko
Publikováno v:
Photonics, Vol 10, Iss 4, p 359 (2023)
Sol-gel technology has attracted attention in the fabrication of diverse luminescent materials and thin film structures, with forms that range from powders to microcavities. The optical properties of sol-gel-derived structures depend on the sol compo
Externí odkaz:
https://doaj.org/article/9d9c0c10242547cf93276386bb3efc2c
Autor:
Petr A. Vityaz, Vladimir T. Senyut, Viktor I. Zhornik, Igor V. Valkovich, Svetlana A. Kovaliova, Evgeniy I. Mosunov, Valentin P. Afanasyev
Publikováno v:
Механика машин, механизмов и материалов, Iss 4(53), Pp 43-51 (2020)
The article studies the structure, phase composition and physicomechanical characteristics of the nanocomposite based on impact diamonds. It is shown that the additions of a binder based on SiC and Si lead to reduction of the defectiveness of the nan
Externí odkaz:
https://doaj.org/article/bd6c5fd429b84aafa1c7f0eaa62d2068
Autor:
Viktor I. Zhornik, Svetlana A. Kovaliova, Tatyana F. Grigoryeva, Tatyana Yu. Kiseleva, Marat A. Belotserkovsky, Igor I. Taran, Igor V. Valkovich, Petr A. Vityaz, Nikolay Z. Lyakhov
Publikováno v:
Механика машин, механизмов и материалов, Iss 4(49), Pp 70-78 (2019)
The structural changes of the ultrahigh molecular weight polyethylene (UHMWPE) filled by 70 wt.% of the ultradisperse mechanocomposites Fe/M (M = HfC (12 об.%), TiC (26 об.%), TiB2 (27 об.%), B4C (51 об.%)) and activated by the treatment in t
Externí odkaz:
https://doaj.org/article/f54eca24947e4c80b6d209ef018c3d00
Autor:
Petr A. Parkhomchik, Petr A. Vityaz, Alexander N. Egorov, Sergey A. Shishko, Alexander M. Naskovets, Vladimir I. Moiseenko
Publikováno v:
Механика машин, механизмов и материалов, Iss 1(46), Pp 93-100 (2019)
Modern trends to ensure competitiveness of mining vehicles produced by OJSC “BELAZ” — Management Company of Holding “BELAZ-HOLDING” are analyzed. The development strategy of the enterprise is defined with a steady growth of demand for minin
Externí odkaz:
https://doaj.org/article/58af625a6caa43e4a6038b8961d78b6a
Autor:
Petr A. Vityaz, Victor Ye. Panin, Vladimir A. Kukareko, Aleksandr N. Grigorchik, Aleksandr G. Kononov, Yuriy I. Pochivalov
Publikováno v:
Механика машин, механизмов и материалов, Iss 3(40), Pp 26-32 (2017)
The influence of ultrasonic treatment of surface layers of steels 40X13 and 12X18H9 on their structure, durometric and tribotechnical properties was studied. It is shown that the ultrasonic treatment of these steels leads to theformation in their sur
Externí odkaz:
https://doaj.org/article/f40f4c4c06e040b18b26a2c64f648682